Description PRODUCT INFORMATION EU slotted Unique DROMEX connector that fits all hard hats. Large twin point mounted cups with soft foam cushions. Easy to attach & detach with spring loaded arms. Steel arms maintain a constant & even pressure. Adjustable cup for optimum comfort & fit COMPOSITION H=31 dB, M=26 dB, L=19 dB SNR 28 dB SUITABLE FOR USE Machining Woodworking Grinding Steel cutting
